CCAS, Cerebellar Cognitive Affective Syndrome entities

CCAS, also called Schmahmann's syndrome is a condition that follows from lesions (damage) to the cerebellum of the brain. It has deficits in the cognitive domains of executive function, spatial cognition, language and affect.

• Executive function : Problems with planning, set-shifting, abstract reasoning, verbal fluency, and working memory, and there is often perseveration, distractibility and inattention.
• Language problems : Dysprosodia, agrammatism and mild anomia.
• Spatial cognition : Visual–spatial disorganization and impaired visual–spatial memory.
• Personality changes manifest as blunting of affect or disinhibited and inappropriate behavior.